Merge pull request #296 from SauravMaheshkar/pip-action-cache

feat(ci): enable pip caching in CI

.github/workflows/build.yml

@@ -32,6 +32,9 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
+        cache: pip
+        cache-dependency-path: |
+          setup.py
     - name: Install dependencies
       run: |
         pip install --upgrade pip